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Game Cheats

Prior to executing the game rename the MGSI.exe file. Add "-cheatenable" after .exe . (example: MGSI.exe-cheatenable).
During gameplay you can use the following keys to enable the cheats.

F2

Enables God Mode. *note: during the interogation scene your health bar will not go down, but you will still acquire damage and will eventually lose the interogation. So treat this section as if you did not have God Mode enabled. God Mode will work at every other part of the game.

F6

Enables Observe Mode

F5

Enables Normal Mode

F7

Quick Level Restart *note: This key command will sometimes restart your current level, other times it will restart an earlier level and other times you will skip to the next level.

Prior to executing the game rename the MGSI.exe file. Add "-cheatenable" after .exe . (example: MGSI.exe-cheatenable).
During gameplay you can use the following keys to enable the cheats.

F2

Enables God Mode. *note: during the interogation scene your health bar will not go down, but you will still acquire damage and will eventually lose the interogation. So treat this section as if you did not have God Mode enabled. God Mode will work at every other part of the game.

Defeating Metal Gear

To knock out the radome on Rex, use your stingers, but first throw out a chaff gernade or two be fore he "wakes up". Use the stingers while rex is trying to find you (but he cant since you used the chaff gernades.) Don't wait for the target to come back after you shoot once, just wait for the smoke to clear. Don't forget to keep throwing out chaffs. After you talk to Gray Fox, use the stingers, and don't stop. If you put the stinger launcher away, the missiles will knock you down, just keep firing the stingers into the cockpit. Use your rations sparingly. Chaffs won't do any good this time, since Liquid is controlling Rex manually. Remember, if you take it out of the launcher screen, you'll get knocked over by the missiles, and most likely die. Just remember you don't need the electronic site to fire.

To knock out the radome on Rex, use your stingers, but first throw out a chaff gernade or two be fore he "wakes up". Use the stingers while rex is trying to find you (but he cant since you used the chaff gernades.) Don't wait for the target to come back after you shoot once, just wait for the smoke to clear. Don't forget to keep throwing out chaffs. After you talk to Gray Fox, use the stingers, and don't stop. If you put the stinger launcher away, the missiles will knock you down, just keep firing the stingers into the cockpit. Use your rations sparingly. Chaffs won't do any good this time,...

Defeating Psycho Mantis

Defeating Sniper Wolf (2nd time)

Equip your Nikita and run up. You will have a short fmv and then run to the lower left. Use your Nikita to attack Wolf. It is easier to attack her with the missiles than it is to snipe her with the PS-G1. Make sure she doesn't see your missile because she might shoot it. It is easier to see her in first-person mode.

Defeating Sniper Wolf

To defeat Sniper Wolf, you need to go all the way back to the Armory and go into the room with six mini-rooms inside of it. Go into the top-left room using your recently acquired level 5 key card. Inside is a PSG-1 and some ammo for it.
Now go back to Sniper Wolf. You should have picked up some Diazepam by now. This will allow you to aim your PSG-1 without it shaking. Go back to Sniper Wolf and shoot her with your PSG-1.
She may be hard to spot and times because she likes to hide behind things. Look for her breathe, and wait for her to come out. Equipping your thermal goggles will also help.

To defeat Sniper Wolf, you need to go all the way back to the Armory and go into the room with six mini-rooms inside of it. Go into the top-left room using your recently acquired level 5 key card. Inside is a PSG-1 and some ammo for it.
Now go back to Sniper Wolf. You should have picked up some Diazepam by now. This will allow you to aim your PSG-1 without it shaking. Go back to Sniper Wolf and shoot her with your PSG-1.
She may be hard to spot and times because she likes to hide behind things. Look for her breathe, and wait for her to come out. Equipping your thermal goggles will also he...

Defeating The Ninja

Once you've reached the Ninja hit the Ninja with your bare hands a couple of times and he will fight you the same way. After the Ninja starts to glow,(which is at the end of the fight) time the glowing and hit the Ninja with your hands. If you are hit with the glowing you will probably die.

Destroying the Generator

To blow up the generator, you need a Nikita. Simply fire it and then get in first-person mode to make it easier to aim the missile. First turn right, and go through the door straight ahead, then left and you'll be in the room with the generator. Now just run into it. The cameras may shoot it down, so you'll probably have to try this more than once.

Exercising Meryl

Whilst crawling along the duct in the Holding Cells, you may look down to see Meryl in her cell exercising. Should you leave the duct immediately (down the ladder), and re-enter it again. Meryl adopts a series of power workout moves each consecutive time you view her. They are: A) sit- ups, B) single-arm push-ups, C) stretching, D) sit-ups in underwear, E) single-arm push-ups in underwear, F) stretching in underwear, G) sit-ups (same as A, and continuing with these from now on.)

Defeating the Gunner

After Meryl opens the cargo door for you in the first floor of the Tank Hangar, you should go up top and make sure you get the Mine Detector. Now go back down and through the door.
Turn on your Thermal Goggles so you can see the infrared sensors moving across the room. Make your way across the room carefully so you don't touch any of them. If you do, the doors will shut and the room will fill up with poisonous gas.
After making it through that room, you'll have to fight the Gunner. First, turn on the Mine Detector and crawl over all of the Claymore mines so you can pick them up. Then throw out a Chaff Grenade to disable the Gunner's main weapon.
With the main weapon temporarily dysfunctional, all the gunner can hit you with is the regular gun. Try to maneuver yourself so that you can get behind the tank, and then throw as many grenades as you can on it.
Be sure to throw a Chaff Grenade out every time the one you previously threw out wears off. Also, there are Rations and more Grenades scattered out over the battle field. These will certainly help you make it through this fight.

After Meryl opens the cargo door for you in the first floor of the Tank Hangar, you should go up top and make sure you get the Mine Detector. Now go back down and through the door.
Turn on your Thermal Goggles so you can see the infrared sensors moving across the room. Make your way across the room carefully so you don't touch any of them. If you do, the doors will shut and the room will fill up with poisonous gas.
After making it through that room, you'll have to fight the Gunner. First, turn on the Mine Detector and crawl over all of the Claymore mines so you can pick them up. Then thro...

Exploding Soldiers

After getting the stealth suit start a new game. When you find the C4 try to sneak up behind a Genome soldier and plant it but be careful. You need to be close. With any luck you will plant a C4 pak on the Soldier's back. Get back and detonate it. Sayonara Soldier!!!

Fa-Mas Tracer Trick

First you need to get the bandana. To do this, DO NOT submit to Revolver Ocelots torture. When you complete the game and start over, you will have the bandana.
Now start your second game and play up to the part where you get the level 2 keycard. Go to the Armory Basement Level 2 and get the Fa-Mas and Fa-Mas ammo.
Now on your bullet counter in the lower right hand corner of your screen, you'll see that the last three shots are colored red. Fire the Fa-Mas until you use up all of the yellow shots and reach the red ones.
These are your tracers, and they trail when you fire them damaging things that they hit as badly as your normal Fa-Mas ammo would. Now put on your bandana. Because the bandana tricks the computer into thinking that you didn't fire your last shot, you will now fire all tracers. This acts as a "guidance system" of sorts and allows you to aim the Fa-mas just as accurately as the Socom.

First you need to get the bandana. To do this, DO NOT submit to Revolver Ocelots torture. When you complete the game and start over, you will have the bandana.
Now start your second game and play up to the part where you get the level 2 keycard. Go to the Armory Basement Level 2 and get the Fa-Mas and Fa-Mas ammo.
Now on your bullet counter in the lower right hand corner of your screen, you'll see that the last three shots are colored red. Fire the Fa-Mas until you use up all of the yellow shots and reach the red ones.
These are your tracers, and they trail when you fire them damaging th...

Extra Modes

The regular game is excellent, but the built-in VR Training mode is a definite must.
At first there is only one choice, Practice. Finish all 10 stages, then you gain Time Attack, where the difficulty is heightened a little, but shouldn't be a problem besides the time limit.
Complete these 10 and you gain Gun Shooting mode, in which the difficulty is at max, and you HAVE to kill ALL the guards to progress within the time limit. You are given a Socom regular gun with suppressor silencer and 5 bullets per guard. If you run out of bullets, you'll have to choke your way out.
If you can finish these 10 stages, one last stage can be chosen, Survival Mission, where you rush through all 10 stages one after another, in under 7 minutes. You start with 30 bullets and dead guards drop bullets. Good luck, if you can complete this, you are a true Metal Gear Solid Master.

The regular game is excellent, but the built-in VR Training mode is a definite must.
At first there is only one choice, Practice. Finish all 10 stages, then you gain Time Attack, where the difficulty is heightened a little, but shouldn't be a problem besides the time limit.
Complete these 10 and you gain Gun Shooting mode, in which the difficulty is at max, and you HAVE to kill ALL the guards to progress within the time limit. You are given a Socom regular gun with suppressor silencer and 5 bullets per guard. If you run out of bullets, you'll have to choke your way out.
If you can finish...

Fast Travel

To move about through the complex faster, hide inside a cargo truck and use a C.Box. Remain perfectly still and a guard will drive the box to the area noted on the box. (There are three boxes, each to a different location.)

First Person Nikita Missile

You can go into first person mode with the Nikita missiles by launching the missile, then pressing triangle. However you can only do this for a certain amount of time or else it will blow up. this comes in handy when fighting Sniper Wolf, and also blowing up the electric panel source.

Fun with Hal Emorick

Get the Bandana

To get the Bandana, which gives you infinite ammo and no auto re-loads, play up until you get to Ocelots Torture Rack. If you make it out of The Rack without dying or giving up, when you beat the game, you will get the Good ending, where you save Meryl. She will give you the Bandana, and then once the credits a through, you can save your game. Save it and then load it up again. Look into your inventory and you will see the Bandana.

Get the Camera

To get the camera, when you get a Level 6 keycard go to the first building (Tank Hanger), Then take the Elevator down to Basement 2. Go into the hall before the Room where you fought Ocelot. Then there should be a spot where you can blow a hole in the wall with C4, when you blow it up there are two rooms, The camera is in one of the rooms, and there is ammo and a ration around in there also.

Getting Sick

If you fail in Revolver's torture room and come into close contact with Sasaki (the guard patrolling outside your prison cell), you can catch the flu. This flu makes you sneeze every minute or so. You can cure this flu with medicine. This medicine is a green box with a red cross on top of it. Another way to catch a cold is as follows: When you're being held in the cell between Ocelot's torture tests, the guard talks loudly to himself about his cold, then runs to the bathroom. This is the point that most people usually break out of the cell. If you stick around and don't use the ketchup though, you will be treated to Ocelot's hospitality yet again. Survive, and you will be in the cell, and the sick guard will get the runs again. NOW you can break out of the cell. Give Snake a little time in the snow, and he will catch a cold, and start sneezing every minute or so. the sound will probably give you away to your enemies, so ask Otacon if there is anything he can do for you.

If you fail in Revolver's torture room and come into close contact with Sasaki (the guard patrolling outside your prison cell), you can catch the flu. This flu makes you sneeze every minute or so. You can cure this flu with medicine. This medicine is a green box with a red cross on top of it. Another way to catch a cold is as follows: When you're being held in the cell between Ocelot's torture tests, the guard talks loudly to himself about his cold, then runs to the bathroom. This is the point that most people usually break out of the cell. If you stick around and don't use the ketchup thou...

Jail Break

When you are in your jail sell after being tortured, you can get out with out the help of Otacon. The guard is very sick and has the runs. When he leaves to go to the bathroom crawl under the bed and wait for him to come back. When he sees your gone he will run to the jail cell and open it. When he first gets to the door quickly get out from under the bed and when he comes in you knock him down once, and he will be out for good. Also if you call Otacon he will give you some stuff and one thing he gives you is ketchup. When the guard leaves lay on the ground with the ketchup equiped in your items. It will look like your bleeding when he comes back he will think you are dead when he opens the door knock him down and your out.

When you are in your jail sell after being tortured, you can get out with out the help of Otacon. The guard is very sick and has the runs. When he leaves to go to the bathroom crawl under the bed and wait for him to come back. When he sees your gone he will run to the jail cell and open it. When he first gets to the door quickly get out from under the bed and when he comes in you knock him down once, and he will be out for good. Also if you call Otacon he will give you some stuff and one thing he gives you is ketchup. When the guard leaves lay on the ground with the ketchup equiped in your ...

Ghost Images

First, you need to obtain the camera either by [A] Finishing the game with the ending where Meryl dies and starting that newly created save file with the camera automatically in your inventory or ...
[B] Getting at least as far as defeating Liquid Snake in the hind helicopter sequence, then going to the room located in Base 1, floor B-2 with a Level 7 cardkey where there are two autoguns you will have to use C4 explosives to the wall below and to the right of the bottom entrance to the room where you fight Revolver Ocelot -- in one of the two rooms here, the camera is located in the top one. BTW if you run into a jammed door that you should be able to, try using a C4 explosive on it and trying to it then.
In either case, here is how you see "Ghosts". Make sure you have at least 2 blocks free on a memory card to save at least one picture Take pictures of different things and you may find a "Ghost" image of different programmers, artists, etc. superimposed on your new snapshot Ive found two by taking pictures of the ravens on the last major elevator and one by snapping a shot of the dead guy in the prison cell.
Here are the locations for all 43 Spirit photos:
1. Kojima: Otacon lab (the picture frame to the right)
2. Matsuhana: Hallway of corpses (outside Otacons lab)
3. Sato: Comm Twr A (roof destroyed by a Hind D missiles)
4. Nakamura: In Meryl's blood pool (where she is sniped)
5. Shinkawa: Deep in Sniper Wolfs hallway behind the second pillar
6. Uehara: Edge of elevator (the one were the ravens are)
7. Negishi: Sewage waterfall
8. Mizutani: When fighting Metal Gear
9. Korekado: Men's retroom
10. Sasaki: Picture frames in the Commanders room
11. Sonoyama: Torture machine
12. Toyota: Container in the middle of Raven's warehouse
13. Kozyou: Behind the watertank-like structure in the Canyon
14. Shimizu: Wolf dog cave (first crawling point)
15. Kaneda: The mirror located in the Women's restroom
16. Fukushima: Heliport,looking out to sea from cliff
17. Takade: Ninja room,glass atedga
18. Fujimura: Elevator,in the Comm Twr B complex
19. Shikama: Electic floor
20. Kimura: MG underground base,tip of of Metal Gear 'srailgun
21. Kobayashi: Rock in canyon
22. Okajima: Maggots of the real DARPA Chef in cell
23. Nishimura: Next to Baker's corpse
24. Mukaide: Reflection in wolfdog cave puddle
25. Onoda: Where Baker is tied up
26. Kitao: Decoy Octopus (fake DARPA chief) corpse
27. Yoshimura: Dead end ofair duct
28. Hirano: Elevator (Comm Twr B) deep in the shaft of top level
29. Muraoka: Water in cargo dock
30. Ishiyama: Heliport top of building
31. Ito: Inside elevator to tank hangar
32. Jerem Blaustein: Sniper Wolfs corpse
33. Yoshioka: Bridge on the third floor of the the blast furnace
34. Mori: Lowest point of elevator (Comm Twr B)
35. Kinbara: Darck area of stairs
36. Tougo: End of boiler room (in Blast Furnace where the stemeam is)
37. Makimura: Hidden armory store room behnd the weakened wall)
38. Kutome: Observation room
39. Tanaka: Heliport,sleeping soilder
40. Shigeno: Heliport,security caera by staircase
41. Yamashita: Tip of nuke warhead in nukestorage room
42. Kobayashi: Johnny Sasaki holding cell, near DARPA chief
43. Scott Dolph: Way down in the dark from the walkway between Comm Tower A and B

First, you need to obtain the camera either by [A] Finishing the game with the ending where Meryl dies and starting that newly created save file with the camera automatically in your inventory or ...
[B] Getting at least as far as defeating Liquid Snake in the hind helicopter sequence, then going to the room located in Base 1, floor B-2 with a Level 7 cardkey where there are two autoguns you will have to use C4 explosives to the wall below and to the right of the bottom entrance to the room where you fight Revolver Ocelot -- in one of the two rooms here, the camera is located in the top on...

Meryl's Undergarments

In the Women's Restroom where you meet up with Meryl prior to the Psycho Mantis confrontation, if you follow Meryl straight in and move up to the top stall within five seconds. Meryl will not have time to properly change, and spends the first part of the conversation without her combat pants on.

Nice Wolves

Method 1: When you first enter the caves, kill all the wolves. Meet up with Meryl, and kill those dogs there. Leave only the small one. Shoot Meryl with the Socom, then immediately equip a Cardboard Box. The little dog will pee on the box. Now whenever you are in the cave, equip the Box that the dog peed on and the Wolfs will leave you alone.

See Through Mantis's Eyes

Sharp Dressed Man

When you start your game for the third time on the same save, your memory card icon will be the ninja, and Snake will be wearing a tuxedo. Also the "Cyber Ninja" will be in a red costume sort of like spider-man

Shy Meryl

When walking around with Meryl, if you keep staring at her in first-person mode. Meryl starts blushing, turning embarrassed and tapping her gun to her leg. Keep looking at her, and she turns more and more red, whispering embarrassed little questions.

Silent But Deadly

Stealth Suit

To get the Stealth, which makes you invisible to all enemies except for Wolfs and bosses, play up until you get to Ocelots Torture Rack. Submit to Ocelot by pressing SELECT. After the game is beaten, you will get the bad ending where Meryl dies and you escape with Otacon. He will give you his Stealth suit. Watch the credits, then save your game. After you save, go to the Main Menu and load your game. Look in your inventory, you will find the Stealth Suit.

Thermal goggle tips

When you play in a harder mode without the radar, the mine detector doesn't work. But if you use the thermal goggles you can see the mines. Also when fighting Mantis he likes to disapear. Just pop out the thermal goggles when he disappears and you can see him.

Torture Tips

This tip contains a minor spoiler. You've been warned.
As you probably know, there are no continues in the torture event. If you lose, you start at your last save. So this won't be a huge loss, remember to save after beating Sniper Wolf. The torture event is coming very soon afterwards.
If you want the best ending, don't submit to the torture. It gets more difficult on the higher difficulty levels, but it never gets impossibly hard.
After getting through two tortures, you will have a chance to escape. When the guard runs to the bathroom, hide under the bed. When he says, "He's gone!" and runs to the door, hop out and snap his neck.
After you get your stuff back, get rid of the "Timer B." It's a time bomb.

This tip contains a minor spoiler. You've been warned.
As you probably know, there are no continues in the torture event. If you lose, you start at your last save. So this won't be a huge loss, remember to save after beating Sniper Wolf. The torture event is coming very soon afterwards.
If you want the best ending, don't submit to the torture. It gets more difficult on the higher difficulty levels, but it never gets impossibly hard.
After getting through two tortures, you will have a chance to escape. When the guard runs to the bathroom, hide under the bed. When he says, "He's gone!" and...